on:
  pull_request:
    types:
      - opened
    paths:
      - '*.proto'
jobs:
  validate-protos:
    runs-on: ubuntu-latest
    steps:
      # Run `git checkout`
      - uses: actions/checkout@v2
      # Install the `buf` CLI
      - uses: bufbuild/buf-setup-action@517ee23296d5caf38df31c21945e6a54bbc8a89f # SECURITY: pin third-party action hashes
      # Run breaking change detection against the `main` branch
      - uses: bufbuild/buf-breaking-action@a074e988ee34efcd4927079e79c611f428354c01 # SECURITY: pin third-party action hashes
        with:
          against: 'https://github.com/sourcegraph/sourcegraph.git#branch=main'